AU2862471A - Improvements in or relating tothe perforation of thermoplastic films - Google Patents

Improvements in or relating tothe perforation of thermoplastic films

Info

Publication number
AU2862471A
AU2862471A AU28624/71A AU2862471A AU2862471A AU 2862471 A AU2862471 A AU 2862471A AU 28624/71 A AU28624/71 A AU 28624/71A AU 2862471 A AU2862471 A AU 2862471A AU 2862471 A AU2862471 A AU 2862471A
Authority
AU
Australia
Prior art keywords
perforation
thermoplastic films
relating tothe
tothe
relating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU28624/71A
Other versions
AU455349B2 (en
Inventor
Ralph Billinghurst Peter
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU455349B2 publication Critical patent/AU455349B2/en
Publication of AU2862471A publication Critical patent/AU2862471A/en
Expired legal-status Critical Current

Links

AU28624/71A 1970-05-08 1971-05-07 Improvements in or relating tothe perforation of thermoplastic films Expired AU455349B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB22382/70 1970-05-08
GBGB4844/71 1971-02-17

Publications (2)

Publication Number Publication Date
AU455349B2 AU455349B2 (en) 1972-11-09
AU2862471A true AU2862471A (en) 1972-11-09

Family

ID=

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